
Yokogawa AAM11B module
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Yokogawa
Description
Yokogawa AAM11B Analog Input Module
Core Identity
| Parameter | Value |
|---|---|
| Model | AAM11B |
| Type | Isolated Analog Input Module (Current/Voltage) |
| Channels | 16 isolated input channels |
| Protocol | BRAIN (Yokogawa field communication) |
| System | CENTUM CS, CS1000, CS3000 |
| Mounting | Rack‑mounted in AAM‑series I/O racks |
| Isolation | Channel‑to‑channel & channel‑to‑ground isolation |
| Status | Legacy module (widely used in industrial plants) |
Key Specifications
Input Signal Ranges
- Current: 0–20 mA, 4–20 mA, ±10 mA, ±20 mA, ±50 mA
- Voltage: 0–1 V, 0–5 V, 0–10 V, ±1 V, ±5 V, ±10 V
Performance
- Accuracy: ±0.1% of reading
- Response Time: ≤ 10 ms
- Input Resistance: 1 MΩ (power‑on), 100 kΩ (power‑off)
- Transmitter Power: 25.0–25.5 V DC (current limit: ≤ 60 mA)
Physical & Environmental
- Dimensions: ~282 × 210 × 20 mm
- Weight: ~0.6 kg
- Operating Temp: −20°C to +70°C
- Humidity: 5–95% RH (non‑condensing)
- Power: From DCS backplane (24 V DC)
Function & Application
- Signal Acquisition: Reads analog signals from field transmitters (pressure, flow, level, temperature).
- Isolation: Eliminates ground loops and noise.
- BRAIN Support: Communicates with BRAIN‑enabled field devices for configuration and diagnostics.
- Typical Use: Process monitoring and control in oil & gas, chemical, power, and manufacturing.
Compatibility
- Racks: AAM11, AAM21, AAM32, AAM34 (terminal‑type I/O racks)
- Systems: CENTUM CS, CS1000, CS3000
- Field Devices: BRAIN protocol transmitters
Related Modules
- AAM10: Basic current/voltage input (no BRAIN)
- AAM11: Standard current/voltage input (no BRAIN)
- AAM21: mV/thermocouple/RTD input
- AAM50: Current output module




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